Sandymount Strand is classified as achieving Sufficient Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Sandymount Strand was classified as having Poor Water Quality rating in 2024 and 2023 and Sufficient Water Quality rating in 2022. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.

Sandymount Strand is 2 km a sandy beach with a gradual slope, which makes the water too shallow for any real swimming. There is a large inlet of water that remains even at low tide and is known locally as "Cockle Lake". Although Sandymount Strand itself has little flora or fauna due to its positioning and coastal connection to Sean Moore Park and the lrishtown nature Reserve it is a nationally important area for migrating birds.